a stainless steel bellows (Style 15) is required

effectively restoring system efficiency and thermal exchange performance

the 100109446 is the official successor and updated version for the 9003739105

The 1-1/4" shank length ensures a proper fit into the tank

Key Benefits: Enhanced Durability: NEMA 4 and 4X rated enclosure protects the internal windings from moisture and environmental contaminants

Lochinvar & A.O. Smith 100233488 Fan Assembly L99H008 a stainless steel bellows (StyleThe Lochinvar & A. O. Smith 100233488 Fan Assembly is a critical combustion component designed for high efficiency commercial boiler systems and water heaters. Engineered to deliver precise air to fuel ratios, this 115V blower assembly features a robust 1 2 HP motor operating at a sustained 1650 RPM. This part is a direct replacement for FAN2011 and is essential for maintaining stable combustion and thermal efficiency in Lochinvar Copper Fin2 models